UH GELOMBANG BUNYI XI A 1
Quiz
•
Physics
•
11th Grade
•
Easy
Firdausi Firdausi
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan medium perambatannya bunyi termasuk gelombang...
elektromagnetik
elektromekanik
elektrodinamik
magnetik
mekanik
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tinggi rendahnya nada dipengaruhi oleh...
amplitudo
panjang gelombang
cepat rambat gelombang
frekuensi
medium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kuat/lemahnya (volume) bunyi dipengaruhi oleh...
amplitudo
panjang gelombang
cepat rambat gelombang
frekuensi
medium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan arah getar dan rambatnya, bunyi termasuk gelombang...
elektromagnetik
elektromekanik
longitudinal
magnetik
mekanik
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Faqih berdiri di halte menunggu bus. Sebuah mobil ambulan melintas menuju halte bus dengan membunyikan sirine berfrekuensi 640 Hz. Jika laju mobil ambulan 20 m/s (72 km/jam) dan laju bunyi di udara 340 m/s, frekuensi sirine yang di dengar Faqih adalah...
600 Hz
640 Hz
650 Hz
690 Hz
680 Hz
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bunyi guntur memilliki Taraf Intensitas 90 dB. Besar intensitasnya adalah... W/m2
9 x 10-3
3 x 10-3
1 x 10-3
9 x 10-6
1 x 10-6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Intensitas sebuah sumber bunyi sebesar 10-7 W/m2. Taraf Intensitas 10 bunyi identik adalah...
40 dB
50 dB
60 dB
70 dB
80 dB
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah mobil pemadam kebakaran bergerak dengan kecepatan 20 m/s sambil membunyikan sirine dengan frekuensi 720 Hz. Seorang yang berdiri agak jauh di belakang mobil mendengar bunyi sirine mobil kebakaran itu sehingga ia berdiri diam di pinggir jalan. Jika cepat rambat bunyi di udara 340 m/s, maka frekuensi sirine mobil yang didengar orang sebesar ....
600 Hz
640 Hz
680 Hz
900 Hz
940 Hz
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